/* Copyright (c) 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package com.google.gdata.util.common.xml.parsing;

import javax.xml.parsers.ParserConfigurationException;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.XMLFilterImpl;

/**
 * An XMLReader which is secured and based on the JDK's inbuilt Xerces parser.
 *
 * 
 */
public class SecureJDKXercesXMLReader extends XMLFilterImpl {

  /**
   * Constructs a secure XMLReader object.
   */
  public SecureJDKXercesXMLReader()
      throws ParserConfigurationException, SAXException {
    super(new SecureJDKXercesSAXFactory().newSAXParser().getXMLReader());
    // Make sure this outer XMLReader also has a secure EntityResolver. Should
    // not be required, but we like defense in depth.
    setEntityResolver(getParent().getEntityResolver());
  }
}
